Skemp, Richard R. <br/><br/>
The psychology of learning mathematics / 
Richard R. Skemp. 
 - Harmondsworth :  Penguin Books,  1971 
 - 319 p. :  ill. ;  18 cm. 
<br/><br/>Includes index : p. 314. 
<br/><br/><label>ISBN: </label>0140212108 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics--Study and teaching.